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people are in subhealth(亞健康), why?Yes. They are so tired long time ________ they are busy with their work and exercise little every day.A.because B.until C.though D.or【答案】A【解析】【詳解】句意:——今天,許多人處于亞健康狀態(tài),為什么?——是的。考查連詞辨析。本句是原因狀語(yǔ)從句,前果后因;根據(jù)句意結(jié)構(gòu)和語(yǔ)境,可知選A。無論何時(shí)甚至在吃飯時(shí)他們都手里拿著手機(jī)。while表示一段時(shí)間,后面使用進(jìn)行時(shí)態(tài),主句是一般現(xiàn)在時(shí),可知從句使用現(xiàn)在進(jìn)行時(shí);故答案C。考查時(shí)態(tài)。11.— It’s reported that the plastic pollution is harming the ocean.— I saw the report in the newspaper at breakfast. It will be worse _________ stronger laws are made.A.since B.a(chǎn)fter C.until D.unless【答案】D【解析】【詳解】句意:據(jù)報(bào)道,塑料污染正在侵害著海洋。除非有更強(qiáng)有力的法律制定出來,否則情況會(huì)越發(fā)惡劣。A. since自從;B. after在……之后;C. until直至,直到……時(shí)(為止);D. unless除非。且結(jié)合句意,前后意思對(duì)比。12.— Is everyone here today?— No, Lucy is at home ________ she has got a high fever.A.because B.if C.until D.unless【答案】A【解析】【詳解】句意:——今天大家都到齊了嗎?——沒有,露西因?yàn)榘l(fā)高燒呆在家里了。露西呆在家里沒有來是因?yàn)榘l(fā)高燒的原因。13. He made a mistake, but then he took action to change the situation ________ it got worse.A.until B.when C.before D.because【答案】C【解析】試題分析:句意:他犯了一個(gè)錯(cuò)誤,但他在它變得更糟前采取了行動(dòng)改變現(xiàn)狀。時(shí);before在根據(jù)句意可知選C。14.—I’m going to the post office.—________you are there, can you get me some stamps?A.When B.While C.Because D.If【答案】B【解析】試題分析:A. As 一邊…一邊,作為 B. While當(dāng)…時(shí)候 C. Because 因?yàn)?D. lf假如;句意:我將要去郵局。平時(shí)學(xué)習(xí)過程中,掌握連詞的意思,及所表示的關(guān)系是至關(guān)重要的,這種關(guān)系的判斷可以通過句子意思的理解來選擇恰到的連詞。——是的。如果對(duì)他們給予更多的關(guān)注,就不會(huì)有困難。本句是if引導(dǎo)的條件狀語(yǔ)從句,需用一般現(xiàn)在時(shí)態(tài)代替一般將來時(shí)態(tài);從句主語(yǔ)more attention是單數(shù)第三人稱,又是動(dòng)詞pay的受動(dòng)者,需用被動(dòng)語(yǔ)態(tài),即is+paid結(jié)構(gòu);根據(jù)句意語(yǔ)境,可知選C。(引導(dǎo)讓步狀語(yǔ)從句);(引導(dǎo)原因狀語(yǔ)從句);(引導(dǎo)條件狀語(yǔ)從句);,但是(后加逗號(hào))。17.—I don 39。t worry. I will tell you as soon as he .A.will e。 will eC.will e。 es【答案】A【解析】【詳解】句意:——我不知道薩姆明天是否會(huì)來。第一個(gè)句子為if引導(dǎo)的賓語(yǔ)從句,根據(jù)從句中的時(shí)間狀語(yǔ)tomorrow判斷,從句的時(shí)態(tài)為一般將來時(shí),排除B,D;第二個(gè)句子是as soon as引導(dǎo)的時(shí)間狀語(yǔ)從句,遵循“主將從現(xiàn)”的原則,本句的主句是一般將來時(shí),as soon as引導(dǎo)的從句要用一般現(xiàn)在時(shí),故答案為A。ll feel sleepy tomorrow _______ you go to bed early.—OK, Mom. I’ll go to bed at once.A.if B.unless C.though D.because【答案】B【解析】【詳解】句意: